Alaska was jolted by a 7.3-magnitude earthquake on Wednesday afternoon. Tsunami information was not immediately available.

Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

A lightly populated stretch of Alaska’s southern coast was under a tsunami warning after the magnitude 7.3 quake was felt ...

A worldwide Android smartphone-based earthquake detection and early warning system can detect seismic activity in real time.

A 4.3-magnitude earthquake jolted a lake shoreline Friday, July 11, in Southern California, the U.S. Geological Survey ...

ANCHORAGE, Alaska (AP) — Communities along a 700-mile stretch of Alaska’s southern coast ordered residents to higher ground ...

A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake nearby a few hours later, according to the United States Geological Survey ...

In earthquake country, the meandering paths of quake faults easily get seared into memory in the same way as a California freeway map. An earthquake fault is a fracture in the ground between two ...

A 7.3 magnitude earthquake struck near Sand Point, Alaska, on Wednesday, prompting a tsunami warning from the National Weather Service.

A 3.0 magnitude earthquake struck between Ridgecrest and California City Thursday afternoon, according to the USGS.The tremor was reported around 3:55 p.m., nor ...

Nominations opened on Monday for the third annual “Coolest Thing Made in California” contest. The California Manufacturers & ...